单词：siderostat
音标：['sidәrә,stæt] ；
n. [天]定星镜
n. An apparatus consisting essentially of a mirror moved
by clockwork so as to throw the rays of the sun or a star in a fixed
direction; -- a more general term for heliostat.
by clockwork so as to throw the rays of the sun or a star in a fixed
direction; -- a more general term for heliostat.
单词：siderostat 相关文章
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发表于:2018-12-30 / 阅读(79) / 评论(0)
单词解析速记
单词解析速记